Solutions by everydaycalculation.com
26 - 79 is -49.
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Related: 4/6-7/9 2/6-14/9 2/12-7/9 2/6-7/18 2/6-21/9 2/18-7/9 2/6-7/27 10/6-7/9 2/6-35/9 2/30-7/9 2/6-7/45 14/6-7/9 2/6-49/9 2/42-7/9 2/6-7/63
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